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US20100054329 Method and System for Encoding Order and Frame Type Selection Optimization  
A method for resource allocation for video encoder to achieve the minimum sequence cost within given resource budgets. Optimal video encoder design by deriving the optimal sequence order and frame...
US20090310673 METHOD AND APPARATUS FOR CONTROLLING A BITRATE IN A VIDEO PROCESSING SYSTEM  
The present invention relates to a method and apparatus for controlling a bitrate used in video encoding to ensure quality of a targeted video in a video processing system. The apparatus may...
US20110051806 PICTURE-LEVEL RATE CONTROL FOR VIDEO ENCODING  
Computer-implemented rate control in encoding one or more video pictures is disclosed. A quantization parameter (QP) to be used for encoding a current picture one of the one or more video pictures...
US20090116551 Data streaming system and method  
A data streaming system and method typically use a server arranged to stream one of a plurality of encoded data streams to a client. Each of the plurality of data streams may be an independent...
US20120183046 VIDEO DECODER WITH REDUCED DYNAMIC RANGE TRANSFORM WITH INVERSE TRANSFORM SHIFTING MEMORY  
A method for decoding video includes receiving quantized coefficients representative of a block of video representative of a plurality of pixels. The quantized coefficients are dequantized based...
US20060256856 Method and system for testing rate control in a video encoder  
Described herein is a method and system for testing rate control in a video encoder. The method and system can use relative persistence and intensity of video data in a macroblock to classify that...
US20130142252 VIDEO IMAGE ENCODING DEVICE  
In a variable length encoding for video data, the compression rate of video image encoding is increased by improving the level encoding method. A CAVLC encoding unit acquires coefficients obtained...
US20060045184 Coding correlated images using syndrome bits  
A method represents a correlated set of images. The correlation can be spatial or temporal. A lossy operation is applied to each image in the correlated set to generate a coarse image. The coarse...
US20050254576 METHOD AND APPARATUS FOR COMPRESSING VIDEO DATA  
A method for compressing a video data having a plurality of frames, each frame having a plurality of macroblocks, includes calculating the complexity of a target macroblock in a target frame;...
US20090238265 Decoding apparatus, decoding method, and program  
Disclosed herein is a decoding apparatus including: a pixel group information storage section configured to include memory areas each of which stores, as pixel group information, information...
US20090207911 PICTURE PROCESSING APPARATUS, PICTURE PROCESSING METHOD, PICTURE PROCESSING METHOD PROGRAM AND PICTURE PROCESSING METHOD PROGRAM RECORDING MEDIUM  
Disclosed herein is a picture processing apparatus for carrying out decoding processing to produce picture data from a bit stream generated previously in processing performed typically by a coding...
US20130343449 IMAGE ENCODING APPARATUS AND ITS CONTROL METHOD  
An image encoding apparatus for encoding image data including a plurality of frames, determines an encoding block size of an encoding subject frame of the image data based on the obtained image...
US20150229925 METHOD AND APPARATUS FOR ENCODING/DECODING THE MOTION VECTORS OF A PLURALITY OF REFERENCE PICTURES, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING SAME  
A video decoding method using an inter prediction, includes: reconstructing a first differential motion vector and a second differential motion vector of a current block by decoding encoded data;...
US20130114697 Method, System and Apparatus for Intra-Refresh in Video Signal Processing  
A video codec for encoding a sequence of video frames divides a video frame area into number of row segments. The Video encoder selects a different set of row segments in each video frame in a set...
US20120201295 METHOD AND APPARATUS FOR INTRA-PREDICTION ENCODING/DECODING  
The present disclosure provides a method and apparatus for intra prediction encoding/decoding. The method includes: selecting an intra prediction mode of each block to be encoded; encoding a...
US20060291556 Image decoding device, image decoding method, and image decoding program  
The present invention is directed to an image decoding apparatus adapted for decoding information obtained by implementing inverse quantization and inverse orthogonal transform to image compressed...
US20130142250 REGION BASED CLASSIFICATION AND ADAPTIVE RATE CONTROL METHOD AND APPARATUS  
A system and method digital video encoding. The system may define encoding classes. The system may obtain a digital video picture and assign an encoding region of the digital video picture to an...
US20090010326 METHOD AND APPARATUS FOR PARALLEL VIDEO DECODING  
A method and apparatus for parallel decoding of a video data stream in a video decoder. A first processor (CPU-1) performs entropy decoding, inverse quantization, inverse transformation, intra...
US20130089138 CODING SYNTAX ELEMENTS USING VLC CODEWORDS  
This disclosure describes techniques for coding transform coefficients for a block of video data. For example, according to one embodiment, a video encoder determines an lrg1Pos value associated...
US20070237223 Apparatuses and methods for controlling bit rates in variable bit rate video coding  
A bit rate control method may include calculating a quality measure of a current frame and a mean of quality measures of two or more previous frames in order to calculate a deviation of the...
US20130101026 METHOD AND APPARATUS FOR ENCODING AND/OR DECODING MOVING PICTURES  
A method of encoding moving pictures using a plurality of quantization matrices. The method involves selecting one of the plurality of quantization matrices in consideration of an at least one...
US20080165845 Method of selecting quantizer values in video compression systems  
A method of obtaining a quantisation value for macroblocks of a picture for video compression includes estimating 11, for a plurality of quantisation values, a size of the picture in terms of a...
US20090147845 IMAGE CODING METHOD AND APPARATUS  
An image coding method includes setting an input parameter indicating a coding control scheme and a color conversion scheme, the coding control scheme including at least one of an adaptive...
US20070217507 VIDEO CODING APPARATUS  
A video coding apparatus carries out a compression coding of a video based on a result of predicting a motion vector predicted between frames of the video. A quantization parameter control unit...
US20070098065 Method and apparatus for performing analog-to-digital conversion in receiver supporting software defined multi-standard radios  
Disclosed are an analog-to-digital conversion method and apparatus capable of reducing quantization distortion in a receiver supporting multi-standard radios for which digital signal processing...
US20090225829 METHOD AND APPARATUS FOR OPERATIONAL FRAME-LAYERRATE CONTROL IN VIDEO ENCODER  
A method of frame-layer rate control in a video encoder includes allocating a target characteristic for a current frame, performing a first encoding stage for encoding macroblocks of the current...
US20060233239 Method and apparatus for error recovery using intra-slice resynchronization points  
A method of video coding that includes encoding resynchronization point information, where the resynchronization point information includes information identifying a location of a...
US20060002467 SYSTEM, METHOD AND COMPUTER-READABLE MEDIUM FOR ENCODING A SIGNAL INTO MACROBLOCKS  
A quantizer and dequantizer for use in a video coding system that applies non linear, piece-wise linear scaling functions to video information signals based on a value of a variable quantization...
US20100166060 VIDEO TRANSCODER RATE CONTROL  
A system and method for transcoding a video bitstream is disclosed herein. A video transcoder in accordance with the present disclosure includes a video decoder, a video encoder, and a rate...
US20050232362 High-speed image compression apparatus using last non-zero detection circuit  
Disclosed is a high-speed image compression apparatus using a last non-zero detection circuit. A memory stores data corresponding to a result of a quantization operation that quantizes an input. A...
US20100061448 METHOD AND APPARATUS FOR TRANSMITTING VIDEO  
A method of transmitting a coded media frame comprises determining a plurality of media frame sizes including a media frame size, transmitting an element comprising the plurality of media frame...
US20050089092 Moving picture encoding apparatus  
A moving picture encoding apparatus in which a minimum picture quality may be maintained even though the bitrate of an output encoded datastream is changed. A real-time distribution system for...
US20150264376 QUANTIZATION PROCESSES FOR RESIDUE DIFFERENTIAL PULSE CODE MODULATION  
In an example, system and method for coding encoded video data. A quantized residue differences block associated with a current block of a picture is generated and a reconstructed prediction...
US20110170592 METHOD FOR EFFICIENTLY ENCODING IMAGE FOR H.264 SVC  
An efficient image encoding method for H.264 SVC is provided. When a base layer macroblock mode MODEBL is intra, the image encoding method calculates a I16×16 mode value for a Pred_Mode of I16×16...
US20150163493 Motion Analysis Method and Code Stream Conversion Method Based on Video Compression Code Stream and Apparatus Thereof  
The present invention relates to security video monitoring for and discloses a motion analysis method and a code stream conversion method based on video compression code stream and apparatus...
US20140241420 Systems and Methods of Encoding Multiple Video Streams for Adaptive Bitrate Streaming  
Systems and methods for encoding multiple video streams in accordance with embodiments of the invention are disclosed. In one embodiment, a source encoder configured to encode source video as a...
US20120069898 METHODS AND SYSTEMS FOR ADAPTIVE TIME-FREQUENCY RESOLUTION IN DIGITAL DATA CODING  
Embodiments are described for a system and method for implementing an adaptive time-frequency resolution in audio and video coding systems. A method of adaptively transforming the time-frequency...
US20090003437 Method, medium, and apparatus for encoding and/or decoding video  
A method, medium, and apparatus for encoding and/or decoding video by generating a scalable bitstream supporting at least two bit-depths with forward compatibility, wherein the scalable bitstream...
US20060133480 System and method for video encoding  
The present invention discloses a video encoding method and system for encoding a video sequence. The video sequence includes N sub-sequences which each includes a plurality of frames. When the...
US20150208082 VIDEO ENCODER WITH REFERENCE PICTURE PREDICTION AND METHODS FOR USE THEREWITH  
A reference picture prediction module is configured to process block motion data for M pictures subsequent to a reference picture in a sequence of pictures to generate a calculated block motion...
US20070092000 Spatial filtering for improving compression efficiency of motion compensated interframe coding  
An apparatus, method, and carrier medium carrying computer-readable code to implement a method that includes generating a difference picture of an accepted picture of a time sequence of pictures...
US20140369405 Multi-Layered Rate Control for Scalable Video Coding  
Multi-layered rate control for scalable video coding is provided. A parameter value may be calculated based on a current layer target bit rate and a current layer buffer state for a frame in a...
US20080080615 Method and Apparatus for Video Codec Quantization  
An encoder, a decoder, and corresponding methods are provided for encoding and decoding video signal data for an image block. The encoder includes a quantizer for receiving transform coefficients...
US20050141617 Residue image down/up sampling method and apparatus and image encoding/decoding method and apparatus using residue sampling  
A residue image down- and/or up-sampling method and apparatus and an image encoding and/or decoding method and apparatus using the residue image down- and/or up-sampling method and apparatus are...
US20090016631 Video Coding Rate Control  
The video encoding rate control with the quantization parameter modulated by macroblock activity with macroblock activity measured using 16×16 intra-prediction mode SAD evaluations.
US20050249277 Method and apparatus to determine prediction modes to achieve fast video encoding  
An improvement to a predictive video encoding method or apparatus that includes selecting a mode class within which to choose an encoding algorithm to encode individual blocks of video...
US20140153641 APPARATUS FOR DECODING MOTION INFORMATION IN MERGE MODE  
Disclosed is an apparatus for decoding motion information in merge mode for reconstructing a moving picture signal coded at a low data rate while maintaining a high quality of an image. The...
US20110103467 Encoding and Decoding of Video Images Based on a Non-linear Quantization  
The present invention enables to adaptively shape the quantization intervals according to a non-linear quantization curve for encoding video data in order to better adapt the quantization process...
US20130044183 DISTRIBUTED VIDEO CODING/DECODING METHOD, DISTRIBUTED VIDEO CODING/DECODING APPARATUS, AND TRANSCODING APPARATUS  
Disclosed are a distributed video encoding/decoding method and a distributed video encoding/decoding apparatus, which can improve loss resilience and the quality of service. The distributed video...
US20060067399 Method and apparatus for encoding and decoding data in intra mode based on multiple scanning  
Provided are a method and apparatus for encoding and decoding in an intra mode based on a multiple scanning method through which efficiency of the intra mode is improved by using a spatial...